package com.atguigu.flink.chapter05.sink;

import com.atguigu.flink.bean.WaterSensor;
import org.apache.flink.api.common.serialization.SimpleStringSchema;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.datastream.DataStreamSource;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer;

/**
 * @Author lizhenchao@atguigu.cn
 * @Date 2021/9/15 11:06
 */
public class Flink01_Sink_Kafka {
    public static void main(String[] args) throws Exception {
        Configuration conf = new Configuration();
        conf.setInteger("rest.port", 20000);
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(conf);
        env.setParallelism(2);
    
        DataStreamSource<WaterSensor> s1 = env.fromElements(
            new WaterSensor("sensor_1", 1L, 10),
            new WaterSensor("sensor_1", 2L, 20),
            new WaterSensor("sensor_1", 5L, 20),
            new WaterSensor("sensor_2", 3L, 30),
            new WaterSensor("sensor_1", 4L, 40)
        );
    
        s1
            .map(WaterSensor::toString)
            .addSink(
                new FlinkKafkaProducer<String>(
                    "hadoop162:9092,hadoop163:9092",
                    "s1",
                    new SimpleStringSchema()
                )
            );
        
    
        env.execute();
    }
}
